What does it mean if the SIM card is locked by the operator?

The carrier locking the sim card means that the mobile phone card has been locked. Reason: The user entered the PIN incorrectly more than three times, causing the SIM card to automatically lock and become unusable. Solution: 1. Use the PUK code to unlock; 2. Use the software to unlock the SIM card password on your mobile phone to forcefully unlock the password; 3. Go to a large business hall and ask customer service personnel to help unlock it.

#The operating environment of this tutorial: IOS 16 system, iphone13 mobile phone.

SIM card, also known as smart card, user identification card, GSM digital mobile phone must be installed with this card before it can be used. It stores digital mobile phone customer information, encrypted keys and the user's phone book on a computer chip, which can be used to identify GSM network customers and encrypt the customer's voice information during calls.

Operator locked sim card means that the mobile phone card has been locked.

The SIM card is locked mainly because the user entered the PIN incorrectly more than three times, causing the SIM card to automatically lock and become unusable.

Solution to locked SIM card of mobile phone

1. Use PUK code to unlock

If you know the PUK password, you can enter it. Once it is correct, you can Unlock the SIM card.

2. Use software to remove the password

If you do not know or forget the PUK password, you can use the software to remove the SIM card password on your mobile phone to forcefully remove the password, but the software needs to be downloaded from a professional website. The operation difficulty is relatively high.

3. Contact the mobile phone customer service

If the user forgets the PUK password, he or she needs to contact the operator's customer service for resolution.

Generally you have to go to a large business hall. After handing the SIM card to the customer service staff, the customer service staff will swipe your SIM card and then display the initial PUK password of your SIM card on the computer. Once you get the password and enter it on your phone, you can unlock the SIM card. stuck.

It should be noted that, when purchasing a SIM card, be sure to mark the PUK password of your card and keep it so that it can be used to unlock the SIM card after it is locked in the future.

For more related knowledge, please visit the FAQ column!

The above is the detailed content of What does it mean if the SIM card is locked by the operator?. For more information, please follow other related articles on the PHP Chinese website!